638474794 is an even 9-digits composite number following 638474793
and preceding 638474795 . In scientific notation, it is written as 6.38474794 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 319237396 positive integers (up to 638474794) that are relatively prime to 638474794.
638474794 has 4 divisors, whose sum is 957712194
The reverse of 638474794 is 497474836
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred thirty-eight million four hundred seventy-four thousand seven hundred ninety-four
Scientific notation
6.38474794 × 10^8
Engineering notation
6.38474794 × 10^6
Prime Factorization
2 × 319237397
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
638474794
Product of the distinct prime numbers
The prime factorization of 638474794 is 2 × 319237397.
Since it has a total of 2 prime factors.
7 , 3 , 42 , 38 , 634 , 897 , 6089 , 3161 , 89317 , 18840 , 24318 , 477487 , 9250923 , 2805844 , 20219938 , 65203291 , 983505442 , 92295948 , 5059713880 , 2698744197
n×2
1276949588
n×3
1915424382
n×4
2553899176
n×5
3192373970
n÷2
319237397
n÷3
212824931.33333
n÷3
159618698.5
n÷5
127694958.8
n2
407650062573342436
n3
2.602742897256E+26
n4
1.6617857351605E+35
n5
1.0610083049287E+44
2 √n
25268.058769917
3 √n
861.08875716496
4 √n
158.9592990986
5 √n
57.680464797409
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-638474793
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 638474794 can be divided by 4 positive divisors.
The sum of these divisors (counting 638474794) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110000011100101101000101010
3
Ternary
1122111101212202121
4
Quaternary
212003211220222
5
Quinary
2301422143134
6
Senary
143204421454
8
Octal
4603455052
10
Decimal
638474794
12
Duodecimal
1599a788a
16
Hexadecimal
260e5a2a
20
Vigesimal
9ja96je
36
Base36
ak4qay
md5
9e08376d71f5a2321cffbc93eabd4b04
sha1
b00ec32c94b02df99bb03d8e05964f48d4ca7589
sha256
44059d94accfcac2e5653cb86c0296fe018bfdf84e9278a752b854d6a109c488
sha512
6c481f5f909b748179f5f6b5c397fbf35420f065e680bf77a9a97859f4b8fb8ee4f6199e6f2411b805af5dec0727e5f86523a5395d1b9583cd935f7fb08b85b5
ripemd-160
b9b5007e8fe2957338de9aed55575cc485adac5b
Diameter
1276949588
Circumference
4011655444.6653
Area
1.2806704418158E+18
Volume
1.0902343953603E+27
Surface area
5.1226817672633E+18
Circumference
4011655444.6653
Perimeter
2553899176
Area
407650062573342436
Diagonal
902939712.90817
Surface area
2445900375440054616
Volume
2.602742897256E+26
Space diagonal
1105870782.5601
Perimeter
1915424382
Area
1.7651765502142E+17
Altitude
552935391.28004
Surface area
1.7651765502142E+17
Volume
3.0673619205581E+25
Height
300979904.30272